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CALIFORNIA LABORATORY SERVICES <br /> Committed. Responsive. Flexible. <br /> Page 13 of 23 05/08/20 08:07 <br /> Dollar Tree Distribution Center Project: D@4 San Joaquin County <br /> 1122 Runway Dr. Project Number: [none] CLS Work Order#:19L1335 <br /> Stockton,CA 95206 Project Manager: Sherry Abersold COC#:204538 <br /> CAM 17 Metals-Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 1910864-EPA 3010A <br /> Matrix Spike Dup(1910864-MSD1) Source:19L1279-01 Prepared&Analyzed: 12/27/19 <br /> Selenium 79.8 2.5 mg/kg 100 ND 80 75-125 0.2 30 <br /> Silver 52.5 1.0 50.0 ND 105 75-125 3 30 <br /> Barium 342 2.0 100 213 129 75-125 7 30 QM-5 <br /> Thallium 69.6 4.0 100 ND 70 75-125 2 30 QM-5 <br /> Vanadium 143 1.0 100 49.6 93 75-125 0.7 30 <br /> Thallium 99.7 2.0 100 0.911 99 75-125 11 30 <br /> Zinc 145 1.0 100 54.2 91 75-125 1 30 <br /> Batch 1910870-EPA 7470A <br /> Blank(1910870-BLK1) Prepared&Analyzed: 12/27/19 <br /> Mercury ND 0.00020 mg/L <br /> LCS(1910870-BSI) Prepared&Analyzed: 12/27/19 <br /> Mercury 0.00519 0.00020 mg/L 0.00500 104 80-120 <br /> Matrix Spike(1910870-MS1) Source:19LI189-01 Prepared&Analyzed: 12/27/19 <br /> Mercury 0.00497 0.00020 mg/L 0.00500 ND 99 75-125 <br /> Matrix Spike(1910870-MS2) Source:19LI189-01 Prepared&Analyzed: 12/27/19 <br /> Mercury 0.00479 0.00020 mg/L 0.00500 ND 96 75-125 <br /> Matrix Spike Dup(1910870-MSD1) Source:19LI189-01 Prepared&Analyzed: 12/27/19 <br /> Mercury 0.00566 0.00020 mg/L 0.00500 ND 113 75-125 13 25 <br /> Batch 1910933-EPA 3010A <br /> Blank(1910933-BLK1) Prepared&Analyzed: 12/31/19 <br /> Antimony ND 0.050 mg/L <br /> Barium ND 0.020 <br /> Beryllium ND 0.0050 <br /> Cadmium ND 0.010 <br /> Cobalt ND 0.020 <br /> Chromium ND 0.020 <br /> Copper ND 0.020 <br /> 3249 Fitzgerald Road,Rancho Cordova,CA 95742 1 800.638.7301 1 Tel:916.638.7301 x102 1 Fax:916.638.4510 1 www.californialab.com <br /> Small Business#2916 1 ELAP#1233 1 NAICS#541380 1 CA SWRCB ELAP Accreditation/Registration Number 1233 <br />